Can a broken tooth grow back?

No. Unfortunately a broken tooth cannot grow back. However, in many cases a broken tooth is completely repairable, and can be restored to full function. There are a few lucky animals, such as sharks, that can grow new sets of teeth.
No... This is why the natural teeth truly need to be well taken care of. Broken teeth do not grow back; a repair of some kind must be done.
Unfortunately, No. teeth do not grow back. The best thing to do is to visit the dentist to get it easily fixed to the way it used to look. Take care.